Water Softener Cleaner, Active Ingredient Phosphoric Acid, Cleaner Functions Maintains Life of Unit, Retores Softener Beads and Control Valve Parts, Concentration Type Concentrated, Container Size 1 qt, Container Type Bottle, Features Installs Inside or Outside of the Brine Tank, Feeds Automatically, For Use With Water Softeners, Form Liquid, Mix Ratio Not Applicable, Product Type Liquid Resin Cleaner, Removes Calcium, Series Res Care, Standards NSF/ANSI 60. This item has been restricted from sale in the following state (s): []